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clearfix"><div id="ji8tqsh" class="twoCol"><div id="qfpwdkz" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_jwjjg/">機(jī)械五金加工</a>?<a href="http://m.cdcfah.com/cp/third-jwjjg_jjg/">鈑金加工</a>?山西配電箱外殼國家標(biāo)準(zhǔn) 誠信服務(wù) 滄州萬瑞電子機(jī)箱供應(yīng)</p><div id="mgozr7n" class="leftbox clearfix"><h1>山西配電箱外殼國家標(biāo)準(zhǔn) 誠信服務(wù) 滄州萬瑞電子機(jī)箱供應(yīng)</h1><div id="u7x7g3m" class="proBig"><div id="nme3ak8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018978352469912_nhsdo_1064695.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jdfceg4" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018978352469912_nhsdo_1064695.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="787jvxr" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>河北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山西配電箱外殼國家標(biāo)準(zhǔn),配電箱</p><p><span>***更新：</span>2020-08-16 20:02:45</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="gv7ank9" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">滄州萬瑞電子機(jī)箱有限公司</a></p><p><span>聯(lián)系人：</span>李文超</p><p><span>郵箱: </span>2816163037@qq.com</p><p><span>電話: </span>19103271861</p><p><span>傳真: </span>0317_4371300</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0317-4371300</p><p><span>地址: </span>河北省滄州市青縣農(nóng)場四分場</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qpw37uj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mqnurts" class="box"><p><p style="text-indent:25px"> 對于配電變壓器容量在100kV?A及以上的配電箱體，山西配電箱外殼國家標(biāo)準(zhǔn)，在箱內(nèi)散熱窗靠側(cè)壁處，應(yīng)考慮到安裝溫控繼電器（JU-3型或JU-4超小型溫度繼電器）和軸流風(fēng)機(jī)，安裝在控制電器板上方左側(cè)面的箱體上，以便使箱內(nèi)溫度達(dá)到一定值時（如40℃）能自動啟動排氣扇，強(qiáng)行排出熱量以使箱體散熱。采用保護(hù)電路防止配電箱供電的外部電路故障的發(fā)生。選擇體積較小的智能缺相保護(hù)器，如可選用DA88CM-II型電機(jī)缺相保護(hù)模塊(上海產(chǎn)品)安裝于配電箱內(nèi)以防止因低壓缺相運行而燒壞電動機(jī)。改進(jìn)原配電箱的低壓電容器組的接線方式，將其安裝位置由交流接觸器上樁頭，改成接在配電箱低壓進(jìn)線與計量表計之間。防止因運行中電容器電路發(fā)生缺相故障或電容器損壞時，山西配電箱外殼國家標(biāo)準(zhǔn)，造成計量裝置計量不準(zhǔn)確。此外，電容器選擇型號應(yīng)為BSMJ系列產(chǎn)品，山西配電箱外殼國家標(biāo)準(zhǔn)，以保證元件質(zhì)量可靠、安全運行。山西配電箱外殼國家標(biāo)準(zhǔn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西配電箱外殼國家標(biāo)準(zhǔn),配電箱" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018978352469912_nhsdo_1064695.jpg"></div><p style="text-indent:25px">進(jìn)口配電柜所采用的主要電器元件均為進(jìn)口品牌產(chǎn)品,有的柜體或一些柜體輔件必須國外進(jìn)口,這樣造成進(jìn)口配電柜的價格一般都比國產(chǎn)配電柜高出很多。　　3.進(jìn)口配電柜的技術(shù)參數(shù)雖然很高,但大多數(shù)情況只運用了一部分,甚至于根本沒法運用。例如進(jìn)口配電柜一臺柜能安裝的回路數(shù)比國產(chǎn)配電柜的都多,但那是在降低了回路容量的前提下才能達(dá)到,在大多數(shù)情況下是滿足不了用戶需要。　　4.國產(chǎn)配電柜的技術(shù)參數(shù)雖然比進(jìn)口配電柜的低,但在國內(nèi)大多數(shù)供配電系統(tǒng)中已經(jīng)能夠滿足用戶需要。　　5.在配電柜的質(zhì)量上,只要廠家嚴(yán)格按照3C的要求進(jìn)行生產(chǎn)﹑檢驗,國內(nèi)的配電柜的質(zhì)量并不一定比進(jìn)口配電柜的質(zhì)量差。山西配電箱外殼廠家電話</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西配電箱外殼國家標(biāo)準(zhǔn),配電箱" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018972607948704_nhsdo_7981464.jpg"></div><p style="text-indent:25px">配電箱的進(jìn)出線選用低壓電纜，電纜的選擇應(yīng)符合技術(shù)要求。例如30kVA、50kVA變壓器的配電箱的進(jìn)線使用VV22-35×4電纜，分路出線使用同規(guī)格的VLV22-35×4電纜；80kVA、100kVA變壓器的配電箱的進(jìn)線分別使用VV22-50×4、VV22-70×4電纜，分路出線分別使用VLV22-50×4、VLV22-70×4電纜,其電纜與銅鋁接線鼻壓接后再用螺栓與配電箱內(nèi)接線樁頭連接。熔斷器（RT、NT型）的選用。配電變壓器的低壓側(cè)總過流保護(hù)熔斷器的額定電流，應(yīng)大于配電變壓器的低壓側(cè)額定電流，一般取額定電流的1.5倍，熔體的額定電流應(yīng)按變壓器允許的過負(fù)荷倍數(shù)和熔斷器特性確定。出線回路過流保護(hù)熔斷器的熔體額定電流，不應(yīng)大于總過流保護(hù)熔斷器的額定電流，熔體的額定電流按回路正常比較大負(fù)荷電流選擇，并應(yīng)躲過正常的尖峰電流。 </p><p style="text-indent:25px">結(jié)構(gòu) 配電箱結(jié)構(gòu)分兩種 1、焊接結(jié)構(gòu) [3] ：簡單的把鈑金件經(jīng)過裁剪、折彎、開孔然后焊接起來。 2、拼裝結(jié)構(gòu)：把鈑金件分開加工，每個部件加工好以后在組裝，用螺絲和三通加固鎖死，外觀漂亮，操作簡單，可以節(jié)約大量的運輸成本。配電箱和配電柜、配電盤、配電屏、電器柜等，是集中安裝開關(guān)、儀表等設(shè)備的成套裝置。原理配電箱是按電氣接線要求將開關(guān)設(shè)備、測量儀表、保護(hù)電器和輔助設(shè)備組裝在封閉或半封閉金屬柜中或屏幅上，構(gòu)成低壓配電箱。正常運行時可借助手動或自動開關(guān)接通或分?jǐn)嚯娐?。故障或不正常運行時借助保護(hù)電器切斷電路或報警。借測量儀表可顯示運行中的各種參數(shù)，還可對某些電氣參數(shù)進(jìn)行調(diào)整，對偏離正常工作狀態(tài)進(jìn)行提示或發(fā)出信號。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西配電箱外殼國家標(biāo)準(zhǔn),配電箱" src="http://tyunfile.71360.com/UpLoadFile/2019/8/20/11/637018978356223992_nhsdo_9604121.jpg"></div><p style="text-indent:25px">常見故障原因 1．1環(huán)境溫度對低壓電器影響引起的故障配電箱中的低壓電器，由熔斷器、交流接觸器、剩余電流動作保護(hù)器、電容器及計量表等組成。周圍空氣溫度的上限不超過40℃；周圍空氣溫度24h的平均值不超過35℃；周圍空氣溫度的下限不低于-5℃或-25℃。農(nóng)網(wǎng)改造的配電箱在室外運行，它不但受到陽光的直接照射產(chǎn)生高溫，同時運行中自身也會產(chǎn)生熱量，所以在盛夏高溫季節(jié)，箱體內(nèi)的溫度將會達(dá)到60℃以上，這時的溫度**超過了這些電器規(guī)定的環(huán)境溫度山東配電箱外殼型號</p><p style="text-indent:25px">山西配電箱外殼國家標(biāo)準(zhǔn)</p><p style="text-indent:25px"> 外殼防護(hù)等級:根據(jù)IEC60529-1989標(biāo)準(zhǔn)由成套設(shè)備提供的防止觸及帶電部件,以及外來固體的侵入和液體的進(jìn)入的等級。具體等級劃分詳見IEC60529標(biāo)準(zhǔn)。　　內(nèi)部分隔方式:根據(jù)IEC60529-1989標(biāo)準(zhǔn),為保護(hù)人身安全,將開關(guān)柜**劃分成幾個隔室的不同方式。不同型號的配電柜之間的技術(shù)參數(shù)都有很大不同,而進(jìn)口配電柜的技術(shù)參數(shù)基本都優(yōu)于國產(chǎn)配電柜,但并不能認(rèn)為進(jìn)口配電柜就一定比國產(chǎn)配電柜好。進(jìn)口配電柜是在國外研制開發(fā)的,一般都是針對全球供配電市場銷售。由于每個國（guo）家對供配電系統(tǒng)的要求以及習(xí)慣都不太一樣,所以進(jìn)口配電柜并不一定完全適用在國內(nèi)市場。山西配電箱外殼國家標(biāo)準(zhǔn)</p><p style="text-indent:25px">滄州萬瑞電子機(jī)箱有限公司位于河北省滄州市，創(chuàng)立于2016-01-27。公司業(yè)務(wù)涵蓋[ "鈑金設(shè)備外殼加工", "機(jī)箱機(jī)柜加工定做", "儀器儀表外殼", "配電箱加工" ]等，價格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備質(zhì)量品牌。截止當(dāng)前，我公司年營業(yè)額度達(dá)到50-100萬元，爭取在一公分的領(lǐng)域里做出一公里的深度。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/936801.html</p></div></div></div></div></div><div id="c2cq3g3" class="page-right twoColRt"><div id="f778p8w" class="box01 margin10 clearfix"><h3><a 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